This document is a USPTO patent application (US20260083891A1) filed on September 22, 2023, by Astrin Biosciences, Inc. The application details an aphaeretic biopsy system designed to draw blood, separate circulating tumor cells (RTCs) using a dialysis-like process, capture these cells in a reservoir for analysis, and return the remaining blood to the patient. The system aims to facilitate the analysis of RTCs for diagnostic or therapeutic purposes.

As this is a patent application, it does not impose immediate regulatory obligations or compliance deadlines on regulated entities. However, it signals potential future developments in medical device technology related to cancer diagnostics and treatment. Companies in the medical device and pharmaceutical sectors, particularly those involved in oncology, should monitor the progress of this and similar patent applications as they may indicate emerging trends or technologies that could impact future product development or regulatory pathways.